diff options
| -rw-r--r-- | src/streams/mbedtls.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/streams/mbedtls.c b/src/streams/mbedtls.c index 2ade83ce1..cbe2f681a 100644 --- a/src/streams/mbedtls.c +++ b/src/streams/mbedtls.c @@ -169,13 +169,13 @@ cleanup: static int bio_read(void *b, unsigned char *buf, size_t len) { git_stream *io = (git_stream *) b; - return (int) git_stream_read(io, buf, len); + return (int) git_stream_read(io, buf, min(len, INT_MAX)); } static int bio_write(void *b, const unsigned char *buf, size_t len) { git_stream *io = (git_stream *) b; - return (int) git_stream_write(io, (const char *)buf, len, 0); + return (int) git_stream_write(io, (const char *)buf, min(len, INT_MAX), 0); } static int ssl_set_error(mbedtls_ssl_context *ssl, int error) @@ -308,6 +308,13 @@ static ssize_t mbedtls_stream_write(git_stream *stream, const char *data, size_t GIT_UNUSED(flags); + /* + * `mbedtls_ssl_write` can only represent INT_MAX bytes + * written via its return value. We thus need to clamp + * the maximum number of bytes written. + */ + len = min(len, INT_MAX); + if ((written = mbedtls_ssl_write(st->ssl, (const unsigned char *)data, len)) <= 0) return ssl_set_error(st->ssl, written); |